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Recent activity by andystanley

1 answer 3.6k views

How do I calculate a and z a/2?

answered Nov 29, 2018 in Statistics

1 answer 293 views

What is a test statistic in hypothesis testing and how does it relate to the p-value?

asked Nov 12, 2018 in general

1 answer 241 views

What is sampling error?

answered Nov 12, 2018 in general

1 answer 303 views

What is the Empirical Rule?

answered Oct 11, 2018 in Statistics

1 answer 154 views

A gambling machine accepts 5 dollars and generates a random dollar value (x) between 1 and 10.

answered Oct 11, 2018 in Statistics

1 answer 189 views

Two coins are flipped. What is the probability of getting heads twice?

recategorized Oct 11, 2018 in Statistics

1 answer 462 views

What is the difference between joint and conditional probability?

asked Oct 11, 2018 in Statistics

1 answer 264 views

What is the difference between qualitative and quantitive data?

answer selected Oct 11, 2018 in general

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